生物技术通报 ›› 2015, Vol. 31 ›› Issue (11): 153-158.doi: 10.13560/j.cnki.biotech.bull.1985.2015.11.020

• 研究报告 • 上一篇    下一篇

甜瓜CmERFIII-1转录因子基因cDNA的克隆与表达分析

郭呈宇1,2, 孙晓蕾1, 邵琪1, 白立华2, 牛一丁1, 哈斯阿古拉1   

  1. 1. 内蒙古大学生命科学学院 内蒙古自治区牧草与特色作物生物技术重点实验室,呼和浩特 010021;
    2. 巴彦淖尔市农牧业科学研究院,巴彦淖尔 015000
  • 收稿日期:2015-02-04 出版日期:2015-11-26 发布日期:2015-11-26
  • 作者简介:郭呈宇,男,博士研究生,研究方向: 植物分子生物学及基因工程;E-mail: gcynmg@126.com
  • 基金资助:
    国家自然科学基金资助项目(31360486)

Cloning and Expression Analysis of the Ethylene-responsive Transcription Factor III-1 Gene cDNA from Melon(Cucumis melo)

Guo Chengyu1,2, Sun Xiaolei1, Shao Qi1, Bai Lihua2, Niu Yiding1, Hasi Agula1   

  1. 1. College of Life Sciences,Inner Mongolia University,Inner Mongolia Key Laboratory of Herbage & Endemic Crop Biotechnology,Hohhot 010021;
    2. Bayannaoer Academy of Agricultural and Animal Science,Bayannaoer 015000
  • Received:2015-02-04 Published:2015-11-26 Online:2015-11-26

摘要: 根据甜瓜ERF亚家族成员聚类结果,选取第三亚群的CmERFIII-1(甜瓜基因组数据库登录号MELO3C005465)基因为研究对象,根据其cDNA序列设计基因特异引物,应用RT-PCR技术从甜瓜品种河套蜜瓜果实的总RNA中克隆得到CmERFIII-1基因cDNA,序列长711 bp,编码236个氨基酸组成的多肽。序列比对及系统发育分析表明,CmERFIII-1 cDNA编码的蛋白质氨基酸序列与黄瓜中ERF亚家族两个成员的序列(GenBank登录号: XP_004143677.1、XP_004158119.1)亲缘关系最近。实时荧光定量PCR分析结果表明,该基因在甜瓜根、茎、叶和授粉后不同时期果实中均有不同程度表达,在叶片中表达量最高。

关键词: 甜瓜, ERF, 转录因子, 表达分析

Abstract: According to the clustering results of the ERF subfamily in melon, CmERFIII-1(accession ID: MELO3C005465)was chosen to be studied. A pair of specific primers was designed based on the cDNA of CmERFIII-1. The full-length cDNA of CmERFIII-1 was cloned by RT-PCR from the fruit of melon(Cucumis melo L.cv. Hetao).The length of cDNA was 711 bp, encoding 236 amino acids. Sequences analysis and the phylogenetic trees showed that the protein amino acid sequence of CmERFIII-1 was closely related to two ERF subfamily member of Cucumis sativus(GeneBank ID: XP_004143677.1、XP_004158119.1). The Real-time quantitative RT-PCR assay showed CmERFIII-1 gene was expressed and its expression levels were different in tissues of the plant and fruits of different developmental stages . The expression level of this gene was highest in leaf.

Key words: melon, ERF, transcription factor, expression analysis